G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 25/00 (2006.01) G01N 33/28 (2006.01)
Patent
CA 2097880
Abstract The present invention concerns a method for determination of wax appearance point and quantity of wax in petroleum products and the equipment required for this. The wax appearance point is determined by measuring the change in volume as a function of temperature as the appear- ance point appears as a deviation in this graph. The quantity of wax which appears is determined by comparing the measured volume graph as a function of tempera- ture with the estimated volume graph. The equipment which is used comprises a pressure cell located in a thermostat bath, to which is connected a control unit for reading off and setting the pressure, temperature and volume.
Fotland Per
Grung Knut Erik
Fetherstonhaugh & Co.
Norsk Hydro A.s.
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